<?php

interface Lan{
	public function online();
}

interface Usb{
	public function send_data();
}

interface Avg{
	public function show();
}


class Pc implements Usb,Avg
{
	public function online()
	{
		# code...
	}
	public function send_data()
	{
		# code...
	}
	public function show()
	{
		# code...
	}
}

$pc = new Pc();

